Sash-regulating device



May 29, 1928.

G. A. CARLSON SASH REGULATING DEVICE 2 Sheec-s-Shee'fl l Filed Dec. l5, 1924 M t M e o u ad May 29, 192s. l 1,671,571

G. A. CARLSON sAsH REGULATING Dvcn Filed Dec. 15, 1924 2 Sheets-sheet 2 i Patented l-Vliayy 279',v 1928'.

l Gustave A.

, sise-mettermi? DEVCE Applica/richtigeDecember 151192'4.` sefiaim. 755590.; y i

This invention relates toy a chain wheel drive .that may be advantageously used in connection with a sash :regulatingdevice for automobiles, such a 'devicev including an. Y arbor driven l al sash supporting chain or fie'xible member.

wheel over which is trained My invention aims to provide a chain and wheel drive compos-ed of parts cut and' stamped from sheet inetah'the chain includr inglinks adapted to bear upon the facets of a wheel, and interlock with .portions of4 the wheel, and the wheel having lits facets 'A shapedse as to afford interlocking portions for the links of the 15 i' drum, vand theservarious chainand wheel'Y includesy a driven part shaped to form .a

arts bein@ made of stam ings can be p a c P :D:

manufactured-at avcomparativcly small cost and easily assembled for operation `in a conii 'paratively smallv space, as required 'in connectionwithfa sashgregulating device.

1 regulating device with .and-v includingl ay chain f erence will now, be

vMy'invention'will be hereinafter specifically described andthen claimed, andref` i `had to the drawing wherein:

Figure 1 .ijs "a front accordance with Ythis invention;

Fig. 2 isv avertical-sectional view of the4 and concentric of said recesses tand 5; The casing 1 1s von the line III-III of Fig. 1;

Fig.y 4 is a front elevation of the sash y regulating device, partlybrdken away and y partly vin section, vand Fig. 5 is a horizontal sectional View taken Y vonthe line V-V of Fig. l.

'Inthe drawing the reference numeral 1 denotes. an oblong casing which has its upper end braced to provide communicating* recesses 2' and 3, each substantially circular are openings formed with side ianges 6 and longitudinal grooves 7, said grooves being spaced apa-rt, each adjacent and attached to the lcasing and the upper vends ofthe grooves connected by a semicircular groove 8.

Attached to the casing 1 by nut equipped screws 9 or other fastening meansis a clo-v greater part of its length has offset side flanges 1l cooperating with the edges of the casing 1 in pro'- viding longitudinal chainways 12. The upper end ofthe closureplate is attached sure plate 10 which for the .and aA chain `wheel 2].v

chain, The wheel also is cutand stamped vfrom .elevation of va sash a cover brokenl away, andwheel drive` in ing. on the .shoulders 27 cut and stamped from V sheetrmetal.. -Each link has its ends aper-` proximate in, length` to `the flanges 61 Aof ythe casing-.11. by `equipped 'sf'ireWSl 13 'and vfsa-id r'closiir-e'plate is formed with, a flanged' :open-ing `or bear` ingf14`having the sarjne axis, as the opening 4 in the recessed wall, of the casing 1.

Attache'dto the recessed wallyo'fthefcas'f ing 1, by. rivets 15 or is avm'ain cylindrical housing, 1 6 having a' branch housing y17' and the housing 16-has fai .concentric opening 18 alining withv the bear-v` ing 'ljsothat the housing may kcooperatel with the bearing in supporting. a fixed arbor other fastcnii'igfmeans cor` formed with aV hollow from. sheetl meta-l Yand is The chainy wheel is.hexagonal ini elevation] wheel..V `E The: trough formati'oi'r; is maintained wheel 'by rivets y26 o'r rother:fastenii'ig means The vgear wheel 2O sheet metal and is f I pressed out hub por? tion 22 extendingthroughf thel cpjeningl1"of. th'eHcasing lint-o `thehousing 16. y i 'The vchain wheel21 yis also lcutfand "pressed" formed: fwithf, a 'hubv f portion` 23 engaging-the zfizedjarbor-19p.

and'these two wheelsar'e adapted to' relf volve aboutthe yarborf19 'or may be iiiiedto 'v 90 said arbor iff .the-arbor is .journaled in :the bearing island the lhousing` i6; f

Trainedover the chain k'Wheel l21 andresb. 24'tlierecf is av chainV composed of links tured with one end'ol'fset so that the links may be placed end to end 'and pivotally` connected together by rivet-S28 or other `pivi the shoulders 24,0of vthe chain Wheel and eachlink, intermediate its ends, is outstruck nallydisposed tooth in a notched flange otal means. Straightedgesof the links ap- 29 yadapted to'k lengage. of the chain wheel and `establish a driving relation between the. Wheel andchain. The links in passing 'overv to provide a longitudiji t-hechain wheel rest on the shoulders 24e' in shoulders and .parallel tothe anges' 2 5, so

that the teeth will extendy into? the notchesrv of said flanges, as best showninFigs. v1- and 2. Thelinks inpassing up and down' the substantially an upright position on said t member 37 inthe form Ica-sing -l'are` guided fin the 'Ways 12 by Vthe --headsof the `rivets"28 extendin'gwint'o then grooves 7 yand Nby referenceto Fig. 5 lit will be noted that theclosureplatel lOfvvill eo-` `operate with `the easing 1"in preventing displacement of the ends of thenchain dur- One of the links isprovided With'- al tively;eonnectedftof aV lsashv adapted to ybe raised andvlowered bythe chain. i 1 v Mounted inthe brancli'housing 17 is a bushing'fBO and journaled in saidbushing is a shaft-31 having ai'c'rank 32;' The shaft 3l 33 ofthe'closure cooperates with a bearing y Y plate-l0 insupporting an arbor- 34 on which theffollower' Ain providing an :automatic clutchl is .mounted` a small gear Wheel 35 that niesheswith 'a large gear-Wheel 20. Mount-` follovver 36, and sur-` 30 isa clutch or brake of Va coiled/spring' engaging a member l38 which cooperates with edon the arbor is a rounding the bushing` device for preventing ziccident-ily ro-v tation ofthe arbor Myparticularly byfany Weight sustained bl thezchain ivheel 21.5Various kinds of clutch.-

V y tothe housingl, as

` ing devices' may beiinstalled" 1in the'branchv housing,y 17 toy prevent lanirreversible action ofiv the .chain wheel drive mechanism i after the 'sash hasbeenA adjusted to 'a desired "position, and to 4rfacilita-te raisingthe sashy a eoiledband springBQ is main housing 16Withfits innerioonvolution y n in rotation 'of an arbor' to a"`chain;'a`cliain composed vof vflat'lliiiksgsaid links having pressed out teetli A inter-w attached tol tlieliollow hub '22 vof the gearv 'Wheel 20v and its outer convolution attached It is thought that parent` without'further description, and-'l desiret'o direct attenti0nt' o -tlie`fact`tliat i v` paetly arranged to afford Y tomobile Y door or notched, flanges the chain trained over- 4located yin lthe` best shown in Fig.- 4L.V f y y .the operation and util-A ity-ofniysash regulating device Will be'ap-I a l,light and dum rablest-ructjure, such as Avmay be easily and y y the saslrwell of 'an au+ 'c quickly installed 'n body vWall, rWithout any dangerof the dev-iceprattling or becoming accidentally displaced.A cranlrlare` only necessary for raisingv 'or 'lowering the .sash from one extreme position to the other`eXtreme,and. While in the embodimeiit' of my invention 'fory accomthat Athe structural elements rare susceptible kplishing this result, it is [tobe'v understood to suchy variations and modifications Vis falll V"What I claim is zy l.r In afchaln and gearmcchamsmWherein rotation ofan arbor imparts movement vvithinthe scope of the'appended claims-` l tov a-l chain-a casing'liaving a *chainguidesv Way therein, a. vchain composed v of flat links slidable in the guidevvay of mediate the endsy thereof, a chain Wheelrolinks,` the formation of thev notchedfanges of said chain Wheel affordingr shouldersA oni Which bear 'the edgesiof the chain links,faiid j alge/ar wheel attached to said-'chain' ivlieel' and adapted to be driven bysa'idarb'or. 2.v A'cliain 'a-ndgear mechanism as'called` foi-'in claim 1,Wherein said gear Wheel coehain Wheelvr in forming operates with said troughs-for 'thefchain links. I

3. In a chain and gear mechanism 'where-f i vvimparts movement In testimony ture.

said casing-'said chain links having pressed out teethinter-f .A few turns of thev 5o i 'drawings there is illustrated a preferred tatable` in saidv casing "andfoi-medwith] v for thefteeth of thechain 

